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P2458 Code - Diesel Particulate Filter Regeneration Duration

- Code Popularity: 35,932 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P2458?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Exhaust leak
  • Improperly installed or loose Exhaust Gas Temperature (EGT)
  • Low engine compression
  • Corroed fuel injector
  • Water in the fuel system
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How to Fix the DTC P2458?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2458 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P2458 Description

The particulates in the exhaust gases are collected by the Diesel Particulate Filter (DPF). When the filter becomes saturated with particulates, they are incinerated by a regeneration process. The regeneration process increases the exhaust gas temperature, warning the Diesel Oxidation Catalyst (DOC) first, the warning the DPF. The Engine Control Module (ECM) monitors the system with inputs from two Exhaust Gas Temperature (EGT) sensors 1 and 2 and the exhaust differential pressure sensor.

OBDII Code P2458 - Diesel Particulate Filter Regeneration Duration - AutoCodes.com
P2458 Code - Diesel Particulate Filter Regeneration Duration

Need More Information on the Code?

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Information for Specific Makes

  • P2458 Ford Diesel Particulate Filter Regeneration Duration
  • P2458 GMC Diesel Particulate Filter Regeneration Duration

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Code P2458 comments

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